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相关概念视频

Reducing Line Loss01:18

Reducing Line Loss

149
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss...
149
Block Diagram Reduction01:22

Block Diagram Reduction

167
The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
167
Maximum Power Transfer01:16

Maximum Power Transfer

239
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
239
Compacting Factor test01:22

Compacting Factor test

120
The compacting factor test is a method used to assess the workability of concrete. It is  especially suitable for concrete mixes containing aggregates up to one and a half inches in size. This test involves specialized equipment consisting of two truncated cone-shaped hoppers and a cylinder, all with polished interior surfaces to minimize friction.
The procedure begins by placing concrete into the upper hopper without any compaction. Once filled, the bottom door of this hopper is opened,...
120
Power Factor Correction01:20

Power Factor Correction

159
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
159
Energy Losses in Transformers01:21

Energy Losses in Transformers

843
In an ideal transformer, it is assumed that there are no energy losses, and, hence, all the power at the primary winding is transferred to the secondary winding. However, in reality,  the transformers always have some energy losses, and, hence, the output power obtained at the secondary winding is less than the input power at the primary winding due to energy losses.
There are four main reasons for energy losses in transformers.
The first cause can be  the high resistance of the...
843

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相关实验视频

Updated: Jun 12, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

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Published on: September 8, 2023

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硬件优化,在GOLOMB大米编码中的数据压缩过程中有效降低开关功率.

R Sakthivel1, Ch Vijayalakshmi2, M Vanitha3

  • 1School of Electronics Engineering, Vellore Institute of Technology, Vellore, India.

PloS one
|September 26, 2024
PubMed
概括
此摘要是机器生成的。

这项研究增强了Golomb Rice (GR) 编码以实现无损数据压缩,提高了VLSI测试和AI计算中的硬件效率. 优化的GR代码可以降低比特使用量和功耗,同时保持高压缩比.

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科学领域:

  • 进行VLSI设计和测试.
  • 数据压缩算法数据压缩算法
  • 对AI/ML进行硬件加速.

背景情况:

  • 无损数据压缩对于VLSI测试矢量生成,硬件AI/ML计算和高效的数据处理至关重要.
  • 戈洛姆代码提供了有效的无损压缩,但仅限于分数是二的强.
  • 哥伦布大米 (GR) 编码是一种适用于几何分布数据的变体.

研究的目的:

  • 通过优化其单元部分的编码来增强Golomb Rice (GR) 编码的压缩比.
  • 为了减少GR代码编码的比特使用量和硬件资源需求.
  • 在压缩,延迟,面积和功耗方面评估性能改进.

主要方法:

  • 开发并实施了一种算法,以进一步编码Golomb Rice代码的单元部分.
  • 在Verilog中编码了算法,并使用Modelsim模拟了它的功能.
  • 合成了使用Cadence Encounter RTL合成器进行硬件实现分析的Verilog代码.

主要成果:

  • 在线分布式数据集中使用的比特减少了6%至19%.
  • 最糟糕的情况延迟减少了3%至8%.
  • 已证明面积减少范围为22%至36%,切换功耗减少近7%.

结论:

  • 拟议的优化大大提高了Golomb Rice编码在硬件实现中的效率.
  • 增强的GR编码技术适用于VLSI测试矢量压缩和数据计算,特别是用于几何分布式数据.
  • 这些优化有助于更高效的AI/ML计算和数据处理硬件.